– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Sun 01 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 01 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 01 Feb Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 16mm), heaviest on Sun afternoon. Very mild (max 15°C on Wed morning, min 5°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 17°C on Thu morning, min 7°C on Fri night). Wind will be generally light. | ||||||||||||||||
Sun 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  | |  |  | | | | | | | |
mod. rain | rain shwrs | mod. rain | light rain | rain shwrs | cloudy | some clouds | some clouds | some clouds | clear | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
8 | 1.7 | 5 | 0.7 | 0.3 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 6 | 6 | 5 | 6 | 8 | 11 | 11 | 11 | 15 | 14 | 11 | 17 | 15 | 10 | 12 | 11 | 8 |
min °C | 6 | 5 | 5 | 5 | 7 | 9 | 9 | 9 | 13 | 11 | 10 | 14 | 11 | 9 | 11 | 8 | 7 |
5 | 3 | 3 | 4 | 7 | 9 | 9 | 9 | 13 | 11 | 10 | 14 | 11 | 9 | 11 | 8 | 7 | |
1600 | 1450 | 1300 | 1650 | 2150 | 2850 | 3000 | 2900 | 3000 | 3100 | 3450 | 3600 | 3750 | 3400 | 2850 | 2750 | 2650 | |
Cloud base (m) | 600 | 650 | 800 | 600 | 650 | 800 | 650 | 2800 | 3000 | 8300 | 6450 | 8600 | 7950 | ||||
 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — | 7:30 | — | — |
 | 5:06 | — | — | 5:07 | — | — | 5:08 | — | — | 5:10 | — | — | 5:12 | — | — | 5:14 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 16mm), heaviest on Sun afternoon. Very mild (max 15°C on Wed morning, min 5°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 17°C on Thu morning, min 7°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.